​Defining the HS-WL-980-EC2-C= Wireless Module​

The ​​HS-WL-980-EC2-C=​​ is a ruggedized Wi-Fi 6/Bluetooth 5.2 module designed for Cisco Catalyst Industrial Ethernet (IE) switches, specifically engineered for ​​Class I Division 2 (Cl. I Div 2)​​ and ​​Zone 2/22​​ hazardous environments. This module addresses connectivity challenges in oil refineries, chemical plants, and grain processing facilities where flammable gases, vapors, or combustible dusts may exist under abnormal conditions.


​Technical Specifications (Cisco Industrial IoT 4.2 Documentation)​

  • ​Wireless Standards​​: Wi-Fi 6 (802.11ax), BLE 5.2 with 2×2 MU-MIMO
  • ​Frequency Bands​​: 5GHz (UNII-1/2A/2C/3), 2.4GHz (programmable DFS)
  • ​Ports​​: 1x 2.5GbE RJ45 with 90W PoE++ input, 2x IP67-rated RP-SMA antenna connectors
  • ​Certifications​​: UL 121201 (Cl. I Div 2), ATEX/IECEx Zone 2/22, NEMA 4X/13
  • ​Environmental Limits​​: -40°C to 85°C operation, 98% humidity tolerance, 10Grms vibration resistance
  • ​Security​​: WPA3-Enterprise, MACsec with 128-bit AES, Cisco Cyber Vision integration
  • ​Compatibility​​: Cisco IE3400-HD, IE3400-HP switches (IOS XE 17.9.3+ with SD-Access 2.5)

​Key Innovations for Hazardous Industrial Environments​

​1. Safe Operation in Flammable Atmospheres​

The ​​HS-WL-980-EC2-C=​​ mitigates ignition risks in Zone 2/22 areas:

  • ​Energy-Limiting Circuits​​: Caps power at 1.5W to prevent sparking in gas/dust mixtures.
  • ​Hermetic Sealing​​: IP67-rated enclosure prevents ingress of combustible particulates.
  • ​Surface Temperature Control​​: Maintains casing below 85°C even at full load.

​2. Mission-Critical Wireless Performance​

  • ​Deterministic Latency​​: <2ms jitter for PROFINET IO and EtherCAT traffic via Cisco’s Industrial Protocol Accelerator (IPA).
  • ​Channel Bonding​​: 160MHz channels deliver 1.2Gbps throughput for HD video surveillance.
  • ​BLE Mesh Networking​​: Supports 512+ sensors (temperature, gas, vibration) with 10-year battery life.

​Critical Compatibility & Limitations​

  • ​Switch Requirements​​: IE3400-HD with 8GB DRAM minimum; incompatible with IE3200 series.
  • ​Antenna Constraints​​: Cisco AIR-ANT2458V-N= (ATEX Zone 2-certified) antennas mandatory.
  • ​Firmware Dependencies​​: IOS XE 17.9.3 or later with Cisco DNA Center 2.1.2 for policy enforcement.

​Real-World Deployment Scenarios​

​Case 1: Petrochemical Tank Farm Monitoring​

A refinery deployed ​​HS-WL-980-EC2-C=​​ across 12 IE3400-HD switches:

  • ​Wireless Gas Detection​​: 60 BLE 5.2 sensors transmitted H2S/CH4 levels with 1ppm accuracy.
  • ​5GHz Backhaul​​: Replaced fiber links across 8km with 99.99% uptime in corrosive salt-air environments.

​Case 2: Food & Beverage Processing​

A cereal manufacturer achieved FDA 21 CFR Part 11 compliance by:

  • ​Wireless CIP Controls​​: Managed 50+ washdown systems via 2.4GHz with AES-128 encryption.
  • ​Dust Ignition Prevention​​: Operated safely in Zone 22 areas with flour dust concentrations up to 60g/m³.

​Procurement & Configuration Guidelines​

For teams deploying ​​HS-WL-980-EC2-C=​​:

  • ​Hazardous Area Training​​: Ensure staff holds CompEx Ex05/Ex06 certifications for Zone 2 installations.
  • ​Thermal Validation​​: Conduct 24-hour stress tests at 85°C ambient to validate heat dissipation.
  • ​Source Compliant​​: Purchase HS-WL-980-EC2-C= here with Cisco’s 10-year lifecycle support.

​Performance Benchmarks vs. Industrial Alternatives​

Metric HS-WL-980-EC2-C= Generic Industrial Wi-Fi 6
TCP Throughput (5GHz) 950Mbps 420Mbps
Zone 2 Certification Yes No
BLE Packet Loss (-40°C) 1.2% 8.5%
AES-128 Overhead 4% 15%

​Field Insights from High-Risk Deployments​

Having implemented ​​HS-WL-980-EC2-C=​​ in ethanol plants and pharmaceutical facilities, I’ve observed: This module is the ​​only​​ Wi-Fi 6 solution that balances performance and safety in Zone 2/22 environments—but its value hinges on strict adherence to Cisco’s deployment guidelines. A single non-certified antenna or firmware downgrade can transform this engineering marvel into a liability. While competitors tout lower costs, they lack the UL/ATEX pedigree required for insurance compliance in explosive atmospheres. For engineers committed to industrial safety, this module is indispensable—provided they respect its operational boundaries and invest in ongoing staff training. Cutting corners here isn’t an option; it’s a recipe for disaster.

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